STOCKTON -- The San Joaquin Delta Community College District Police Department on Thursday released a sketch of a man who is wanted for sexually assaulting a woman in a stairwell on campus.

The attack occurred about 11:55 a.m. Oct. 9 in the southeast stairwell on the second floor of the Cunningham building, officials said. The assailant walked up behind the victim, grabbed her buttocks and fondled her breasts, police said. The victim fought back and the assailant fled, running down the stairwell.

The assailant was described as a black man 25 to 30 years old standing 5 feet 10 inches tall with brown eyes, police said.

He was last seen wearing a dirty black pullover sweatshirt with front pockets, tan cargo pants and black Converse tennis shoes with white laces. The victim told police the man had “dirty” teeth, bushy eyebrows, acne and body odor.

Anyone with information is urged to call the school's police department at (209) 954-5000.